When adopting a new technology, you will always face some challenges. When it comes to container technology, one of the important questions in this regard is how to get insight in the behaviour of your applications and container environment. Which features are essential when it comes to your monitoring system? Which metrics should processes expose? And what about blackbox and whitebox monitoring? In this article, our Prometheus expert Ed Schouten talks about the monitoring of containers.

Over the last couple of months we’ve published several blog posts to announce the release of various Open Source metrics exporters for Prometheus. The development of these exporters is an on-going process at Kumina, as we’re working towards replacing our existing Nagios-based monitoring setup with Prometheus. oday we’re proud to present to you our own Prometheus metrics exporter for Postfix, written in Go.